Finding the Fourth Proportional to 22,866.86, 31,558.17 and 12,796.23

Step by Step Solution

1. Step 1: Write the proportion equation
   22,866.86 : 31,558.17 = 12,796.23 : x
2. Step 2: Convert to fraction form
   22,866.86/31,558.17 = 12,796.23/x
3. Step 3: Cross multiply
   22,866.86x = 31,558.17 × 12,796.23
4. Step 4: Simplify right side
   22,866.86x = 403,825,601.70
5. Step 5: Solve for x
   x = 403,825,601.70/22,866.86
6. Step 6: Final answer
   x = 17,659.87